MY favorite one was the one I saw on a very well endowed woman.......across the chest, in very small letters, it said "Stop Staring at my tits."
Busted me, and two guys with me. Pretty damn funny, actually.

"All right, you primitive screwheads, listen up. See this? This is my boomstick!"
-Ash, Army of Darkness
"There are two kinds of people in this world, Tuco.
Those with loaded guns,
and those who dig. You dig."
-Blondie, The Good, The Bad, and The Ugly